198437067 has 12 divisors (see below), whose sum is σ = 294089320. Its totient is φ = 132242580.

The previous prime is 198437059. The next prime is 198437081. The reversal of 198437067 is 760734891.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 198437067 - 2³ = 198437059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198437017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71842 + ... + 74552.

Almost surely, 2^198437067 is an apocalyptic number.

198437067 is a deficient number, since it is larger than the sum of its proper divisors (95652253).

198437067 is an frugal number, since it uses more digits than its factorization.

198437067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 198437067 is about 14086.7692179577. The cubic root of 198437067 is about 583.2762142348.

The spelling of 198437067 in words is "one hundred ninety-eight million, four hundred thirty-seven thousand, sixty-seven".